China Factory Direct
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| CAS number | 7440-18-8 |
| Product name | Ruthenium |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Electronics Industry | Material for magnetic recording layers in hard disk drives (HDDs) | Sputter deposition |
| Electronics Industry | Component of thick-film resistor pastes | Screen printing and sintering |
| Chemical Industry | Catalyst for organic synthesis reactions, including hydrogenation, isomerization, and oxidation | Homogeneous or heterogeneous catalytic reaction systems |
| Chemical Industry | Component of anode coatings in chlor-alkali electrolysis cells (combined with titanium, iridium, etc.) | Thermal decomposition coating or electrodeposition |
| Aerospace | Additive for high-temperature alloys to enhance oxidation resistance and strength | Vacuum melting or powder metallurgy |
| Medical Field | Precursor for anticancer drugs and carrier for radioactive isotopes (e.g., ¹⁰⁶Ru for intraocular tumor radiotherapy) | Coordination synthesis and radionuclide labeling |
| Electrochemistry | Co-catalyst for the oxygen reduction reaction (ORR) in fuel cells | Preparation of nanocomposite electrocatalysts |
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Ruthenium Content Determination | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Uses a high-energy plasma to ionize ruthenium atoms in the sample, then detects specific isotopes (e.g., ¹⁰¹Ru, ¹⁰²Ru) using a mass spectrometer. Offers high sensitivity and is suitable for trace and ultra-trace analysis. |
| Ruthenium Content Determination | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | The sample is excited in a high-temperature plasma, emitting characteristic spectral lines. Quantitative analysis is performed by measuring ruthenium's specific wavelengths (e.g., 240.273 nm), suitable for medium to high concentration ranges. |
| Ruthenium Content Determination | Atomic Absorption Spectroscopy (AAS) | Quantifies ruthenium by measuring the absorption of light at a specific wavelength by ruthenium atomic vapor. Graphite furnace atomization is required to enhance sensitivity, making it suitable for low-concentration detection. |
| Ruthenium Purity Analysis | X-Ray Fluorescence Spectroscopy (XRF) | Excites the sample with X-rays to generate characteristic fluorescent radiation; ruthenium content is determined by measuring the intensity of its characteristic X-rays. Non-destructive and ideal for rapid screening of solid samples. |
| Ruthenium Phase and Chemical State | X-Ray Photoelectron Spectroscopy (XPS) | Analyzes the binding energy of electrons from ruthenium to determine its oxidation state and chemical environment. Used for surface composition and valence analysis, particularly in quality control of materials such as catalysts. |
| Ruthenium Distribution and Microanalysis | Scanning Electron Microscopy-Energy Dispersive Spectroscopy (SEM-EDS) | Combines morphological imaging with elemental energy spectrum analysis to detect the micro-distribution of ruthenium in materials. Suitable for heterogeneous samples such as alloys and catalyst supports. |
| Trace Impurity Detection in Ruthenium | Neutron Activation Analysis (NAA) | Irradiates the sample with neutrons and quantifies ruthenium or impurity elements by detecting their radioactive decay signatures. Extremely sensitive but requires specialized equipment; thus, less commonly used. |
| Test Item | Specification |
|---|---|
| Appearance | Black powder to crystals |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Solubility | Insoluble in water; soluble in molten alkalis and strong oxidizing acids |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.